| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script type="module"> |
| import {MockMIDIService} from './resources/mock-midiservice.js'; |
| import {setMidiPermission} from './resources/permissions-helper.js'; |
| |
| const mock = new MockMIDIService(); |
| |
| const testData = [ |
| // Complete messages. |
| [0x80, 0x00, 0x00], |
| [0x90, 0x00, 0x00], |
| [0xa0, 0x00, 0x00], |
| [0xb0, 0x00, 0x00], |
| [0xc0, 0x00], |
| [0xd0, 0x00], |
| [0xe0, 0x00, 0x00], |
| |
| // Real-Time messages. |
| [0xf8], |
| [0xfa], |
| [0xfb], |
| [0xfc], |
| [0xfe], |
| [0xff], |
| |
| // Sysex messages. |
| [0xf0, 0x00, 0x01, 0x02, 0x03, 0xf7], |
| [0xf0, 0xf8, 0xf7], |
| ]; |
| |
| let receiveCount; |
| |
| function verifyData(e) { |
| assert_array_equals(e.data, testData[receiveCount]); |
| receiveCount++; |
| if (receiveCount == testData.length) { |
| // Clear the event handler in case the input object isn't GC'ed, to |
| // prevent it from being called on the second run of test(). |
| e.target.onmidimessage = undefined; |
| e.target.removeEventListener('midimessage', verifyData); |
| e.target.resolve(); |
| } |
| } |
| |
| function test(useAddEventListener) { |
| receiveCount = 0; |
| return new Promise(function(resolve, reject) { |
| navigator.requestMIDIAccess({sysex: true}).then(function (a) { |
| var input = a.inputs.values().next().value; |
| input.resolve = resolve; |
| input.reject = reject; |
| if (useAddEventListener) { |
| input.addEventListener('midimessage', verifyData); |
| } else { |
| input.onmidimessage = verifyData; |
| } |
| var output = a.outputs.values().next().value; |
| for (var i = 0; i < testData.length; ++i) |
| output.send(testData[i]); |
| }, function () { |
| testFailed("requestMIDIAccess() return an error."); |
| reject(); |
| }); |
| }); |
| } |
| |
| promise_test(async _ => { |
| await setMidiPermission({sysex: true}, 'granted'); |
| await test(false); |
| await test(true); |
| }, 'midimessage event handling works as expected'); |
| |
| </script> |
| </body> |
| </html> |
